The $50 PSN card for $40 deal is back up, for now at least:
http://www.ebay.com/itm/50-Sony-Playstation-Network-Card-for-only-40-Email-delivery-20-OFF/261681290189
If I want to upgrade my PS4 HDD, do I have to deactivate all my accounts and then reactivate when I install the new drive? Or is there some way to transfer the user data to the new drive?